162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * R-Car Gen4 System Controller 462306a36Sopenharmony_ci * 562306a36Sopenharmony_ci * Copyright (C) 2021 Renesas Electronics Corp. 662306a36Sopenharmony_ci */ 762306a36Sopenharmony_ci#ifndef __SOC_RENESAS_RCAR_GEN4_SYSC_H__ 862306a36Sopenharmony_ci#define __SOC_RENESAS_RCAR_GEN4_SYSC_H__ 962306a36Sopenharmony_ci 1062306a36Sopenharmony_ci#include <linux/types.h> 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_ci/* 1362306a36Sopenharmony_ci * Power Domain flags 1462306a36Sopenharmony_ci */ 1562306a36Sopenharmony_ci#define PD_CPU BIT(0) /* Area contains main CPU core */ 1662306a36Sopenharmony_ci#define PD_SCU BIT(1) /* Area contains SCU and L2 cache */ 1762306a36Sopenharmony_ci#define PD_NO_CR BIT(2) /* Area lacks PWR{ON,OFF}CR registers */ 1862306a36Sopenharmony_ci 1962306a36Sopenharmony_ci#define PD_CPU_NOCR (PD_CPU | PD_NO_CR) /* CPU area lacks CR */ 2062306a36Sopenharmony_ci#define PD_ALWAYS_ON PD_NO_CR /* Always-on area */ 2162306a36Sopenharmony_ci 2262306a36Sopenharmony_ci/* 2362306a36Sopenharmony_ci * Description of a Power Area 2462306a36Sopenharmony_ci */ 2562306a36Sopenharmony_cistruct rcar_gen4_sysc_area { 2662306a36Sopenharmony_ci const char *name; 2762306a36Sopenharmony_ci u8 pdr; /* PDRn */ 2862306a36Sopenharmony_ci s8 parent; /* -1 if none */ 2962306a36Sopenharmony_ci u8 flags; /* See PD_* */ 3062306a36Sopenharmony_ci}; 3162306a36Sopenharmony_ci 3262306a36Sopenharmony_ci/* 3362306a36Sopenharmony_ci * SoC-specific Power Area Description 3462306a36Sopenharmony_ci */ 3562306a36Sopenharmony_cistruct rcar_gen4_sysc_info { 3662306a36Sopenharmony_ci const struct rcar_gen4_sysc_area *areas; 3762306a36Sopenharmony_ci unsigned int num_areas; 3862306a36Sopenharmony_ci}; 3962306a36Sopenharmony_ci 4062306a36Sopenharmony_ciextern const struct rcar_gen4_sysc_info r8a779a0_sysc_info; 4162306a36Sopenharmony_ciextern const struct rcar_gen4_sysc_info r8a779f0_sysc_info; 4262306a36Sopenharmony_ciextern const struct rcar_gen4_sysc_info r8a779g0_sysc_info; 4362306a36Sopenharmony_ci 4462306a36Sopenharmony_ci#endif /* __SOC_RENESAS_RCAR_GEN4_SYSC_H__ */ 45